/Engine/Source/Runtime/UMG/Public/Components/WindowTitleBarAreaSlot.h
Builds the underlying FSlot for the Slate layout panel.
void BuildSlot ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWindowTitleBarArea](API\Runtime\Slate\Widgets\Layout\SWindowTitleBarArea) > WindowTitleBarArea )